aqueduct

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aqueduct

 [ak´wĕ-dukt″]
any canal or passage.
cerebral aqueduct a narrow channel in the midbrain connecting the third and fourth ventricles and containing cerebrospinal fluid.
aqueduct of Fallopius the canal for the facial nerve in the temporal bone.
sylvian aqueduct (aqueduct of Sylvius) (ventricular aqueduct) cerebral aqueduct.

aq·ue·duct

(ak'we-dŭkt), [TA]
A conduit or canal.
Synonym(s): aqueductus [TA]
[L. aquaeductus]

aqueduct

/aq·ue·duct/ (ak´wĕ-dukt″) any canal or passage.
cerebral aqueduct  a narrow channel in the midbrain connecting the third and fourth ventricles.
cochlear aqueduct  a small canal that interconnects the scala tympani with the subarachnoid space.
aqueduct of Sylvius , ventricular aqueduct cerebral a.

aqueduct

(ăk′wĭ-dŭkt′)
n.
Anatomy A channel or passage in an organ or a body part, especially such a channel for conveying fluid.

aqueduct

[-dukt]
Etymology: L, aqua, water, ductus, act of leading
any canal, channel, or passage through or between body parts, such as the cerebral aqueduct.

aq·ue·duct

(ahk'wă-dŭkt) [TA]
A conduit or canal.
Synonym(s): aqueductus [TA] .
[L. aquaeductus]

aqueduct

A channel carrying water or other liquid. There are a dozen named aqueducts in the body. The aqueduct of the midbrain (aqueduct of Sylvius) is a narrow channel for cerebrospinal fluid lying between the third and fourth VENTRICLES of the brain.

aqueduct

canal or passage.

cerebral aqueduct
a narrow channel in the midbrain connecting the third and fourth ventricles and containing cerebrospinal fluid. Called also aqueduct of Sylvius.
aqueduct of cochlea
a narrow canal that unites the perilymphatic space near the base of the cochlea with the subarachnoid space beneath the temporal bone. Called also perilymphatic duct.
aqueduct of Cotunnius
vestibular aqueduct.
aqueduct of Fallopius
the canal for the facial nerve in the temporal bone. Called also facial canal.
sylvian aqueduct, aqueduct of Sylvius
cerebral aqueduct. Called also ventricular aqueduct.
ventricular aqueduct
see cerebral aqueduct (above).
vestibular aqueduct
bony canal that opens onto the medial surface of the temporal bone and passes to the vestibule of the inner ear; houses the endolymphatic duct. Called also aqueduct of Cotunnius.
References in periodicals archive ?
The aqueduct was likely still in service during the reign of the last emperor of the Western Roman Empire in the fifth century.
As the water system was modernized, the old aqueducts were replaced with a deep rock aqueduct and covered storage tanks.
11, 2001, terrorist attacks in the East, an examination of potential West Coast targets pointed to the California and the separate Los Angeles Department of Water and Power aqueducts as areas of vulnerability.
The High Bridge was created as part of the Croton Aqueduct in 1839, with pipes built into its 15 circular masonry arches and beneath the walkway to allow fresh water originally coming from the Croton River in upstate New York to pass through the bridge.
Similarly, vascular compression of the endolymphatic sac and duct has been shown to be associated with Meniere's symptomatology in the presence of anatomic variants such as jugular megabulb (6) and an anomalous vein of the vestibular aqueduct.
Because we wanted to restore the structures as close to original condition as possible, we were using 200-year-old techniques and materials to carry out the programme of works on all three aqueducts.
Twenty-eight years later, Mulholland would complete a subsequent water project -- the Colorado River Aqueduct.
The aqueducts once brought water from the reservoirs to the metropolitan Boston area, but have not been in use, unless there is an emergency, since upgrades were made to the system.
Two researchers at the Pennsylvania State University believe that an aqueduct in a Maya city abandoned 1,200 years ago sets a new date for the introduction of pressure technology to the Americas.
Under the agreement, the DWP will be able to make deals with water districts in Northern and Central California, then hook into the California Aqueduct -- the state's main conduit for water transfers -- and pump the water into Los Angeles' supply.
The projects include the reconstruction of the multiple water system for El Mamey which will supply tap water to Los Hidalgos, Nava, Vista Alegre and Marmolejos; the rehabilitation of the aqueduct in Monte Llano, the construction of a residual water treatment system in Sosua and the sewage system in Palma Sola, Puerto Plata.
The canal was laboriously hewn by hand 'through rocks, quicksands and mosses, carried up precipices and over valleys, rising and falling 160 feet by means of 39 locks, passing over 10 major aqueducts and a number of smaller ones', according to reports of the day.